checkbox样式修改

input[type="checkbox"] {
margin-top: 5px;
width: 14px;
height: 14px;
display: inline-block;
text-align: center;
vertical-align: middle;
line-height: 12px;
position: relative;
margin-right: 6px !important;
}
input[type="checkbox"]::before {
content: "";
position: absolute;
top: 0;
left: 0;
background: #fff;
width: 100%;
height: 100%;
border: 1px solid #057afe;
}
input[type="checkbox"]:checked::before {
content: "\2713";
background-color: #fff;
position: absolute;
top: 0;
left: 0;
width: 100%;
border: 1px solid #057afe;
color: #057afe;
font-size: 14px;
font-weight: bold;
text-indent:0px;
}

checkbox样式修改

原文：https://www.cnblogs.com/wxnboke/p/9636342.html